MOGADISHU (Reuters) - Somali pirates freed a Greek- flagged tanker carrying 2 million barrels of oil on Monday and witnesses said four pirates were killed in a clash between rival groups over the ransom.

Keystone XL pipeline to be delayedTransCanada Corp. says the long-delayed Keystone XL pipeline will be in service months later than expected and cost more than its current $5.3 billion price-tag as it continues to await U.S. government approval. TransCanada had been sticking to its late 2014 or early 2015 start-up target, but the regulatory process has dragged on. More

Drivers benefit as oil prices drop sharplyA sharp decline in the price of oil this month is making gasoline cheaper at a time of year when it typically gets more expensive. It's a relief to motorists and business owners and a positive development for the economy. More